Activity
From 07/04/2013 to 08/02/2013
08/02/2013
- 04:31 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: DSP EDMA IRAM DATA TRANSFER
- Hello,
I added the line with _HWI_eventMap(anHWInterruptLevel, globalConfig[Edma3InstanceId].xferCompleteInt)_ in Ds... - 09:50 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: DSP EDMA IRAM DATA TRANSFER
- Heads up. Make sure that you configure the Event Mapper for the quick DMA transfer complete status to the DSP proper...
- 10:57 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Problems with custom board
- Mary,
AUFS is a filesystem. It isn't a problem. Your .config file matches ours so doesn't appear to be the issue... - 10:54 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Problems with custom board
- The two baseboard entries don't sound like a problem:...
- 10:40 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Problems with custom board
- ...
- 10:07 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Problems with custom board
- Thanks for the reply. We fixed the ethernet problem with a pullup on MII_RXD0, as was done on the industrial io boar...
- 09:52 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Problems with custom board
- You may not have the proper configuration options set for the Power Management and Voltage Regulators set in the kern...
- 09:14 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Problems with custom board
- According to your bootlog the following errors would cause the cpufreq directory to be missing as cvdd is needed.
...
08/01/2013
- I built a new kernel based on MDK_2012-08-10 starting with baseboard-industrialio.c and making a new baseboard file f...
07/31/2013
- 02:34 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: mtd->read (...) returned ECC error
- Christian,
It is helpful for us if you create a new post so that we see it otherwise your might be missed. If you... - 11:37 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: DSP EDMA IRAM DATA TRANSFER
- Hello,
In fact I did not and it was the cause. When I invoked the method, EDMA started to transfer data properly ! T... - 10:26 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: DSP EDMA IRAM DATA TRANSFER
- Hi,
You need to make sure that you call tcDspQDMA::Initialize() with a free hardware level (try 7). Did you make ...
07/29/2013
- Hello,
I am currently programming the DSP of MitydspL138 Industrial IO Board using the DSP/BIOS. I am trying to tran... - 09:41 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: DSP GPIO interrupts (No-FPGA)
- Hello again,
It works ! Invoking EventMap with an appropriate second argument solved the problem:
HWI_eventMap(6, 6... - 08:43 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: DSP GPIO interrupts (No-FPGA)
- For the DSP Event Map (item number 1), refer to table 3-1 of the TRM in section 3.2.2.1.
GPIO Bank zero event appe... - 08:02 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: DSP GPIO interrupts (No-FPGA)
- A little corrction in what I have written in my previous mail- for bank 0 offset 0 (J701 pin 25) the function call sh...
- 07:43 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: DSP GPIO interrupts (No-FPGA)
- Hello again,
First of all,thank you for your quick reply.
I am trying to implement the solution focusing on your ...
07/28/2013
- 08:19 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: DSP GPIO interrupts (No-FPGA)
- Hi,
So currently the DspGpio.cpp implementation (for non-FPGA GPIO's) for the 674X core is does not implement inte... - Hello,
I am currently programming the DSP using the DSP/BIOS . The problem I have is how to configure HWI in J701 p...
07/26/2013
- 11:33 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Kernel bug
- Hi Mostafa,
Thank you for the notice.
I see that is in the master branch (2.6.34). We will correct it. Howeve... - Hi, just wanted to make you aware of a bug in the kernel sources:
http://support.criticallink.com/gitweb/?p=linux-...
07/24/2013
- 06:13 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: UPP "start" signal ignored in receive mode?
- Hi Stu,
Have you tried to use chipscope to confirm the alignment of the start strobe with the data as sent by the ... - 12:53 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: UPP "start" signal ignored in receive mode?
- Scott,
Yes, we're trying to send one line (of 6176 bytes) per DMA memory buffer (also 6176 bytes). The "DspUpp.c"...
07/23/2013
- 05:52 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: UPP "start" signal ignored in receive mode?
- Hi Stu,
Check section 33.2.5.3 of the TRM. For receive mode, the start line is optional, controlled by the STARTx... - 04:56 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: UPP "start" signal ignored in receive mode?
- Stu,
I'm not sure about the DSP driver for uPP, I am using a Linux driver to the Arm. Are you trying to stream data...
07/22/2013
- 03:52 PM MityDSP-L138 (ARM9 Based Platforms) FPGA Development: RE: EMA_WAIT and bus contention on L138F
- Hi Mike, relevant definitions from the header:...
- 02:11 PM MityDSP-L138 (ARM9 Based Platforms) FPGA Development: RE: EMA_WAIT and bus contention on L138F
- Just for sanity,
Have you confirmed you are writing to the correct AEMIF registers? CE3 is the NAND, and you are ... - 01:42 PM MityDSP-L138 (ARM9 Based Platforms) FPGA Development: RE: EMA_WAIT and bus contention on L138F
- Hi Mike,
I've now also tried setting unused I/O to float and increasing both the TA and Read Hold to 4 cycles. I'v... - We have an FPGA application for the MityDSP-138F board which transmits "packets" to the DSP through the UPP port. Th...
- 01:25 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Fail to mount Root FS from MicroSD card
- Ok, managed to fix the problem.
I have changed mityomapl138_mmc_get_ro() in board-mityomapl138.c to return(0) since ...
07/21/2013
- 10:19 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Fail to mount Root FS from MicroSD card
- Hello, Tim!
Comma makes no difference, I have tried.
I have got a little progress - I have changed bootargs as ... - 07:27 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Fail to mount Root FS from MicroSD card
- Dmitry,
I believe yhou are missing a comma in your bootargs..
root=/dev/mmcblk0p1 rw rootwait
should be
root=/dev... - Hello!
I am trying to mount Root FS from MicroSD card (ext2 formated).
Boot process fails with kernel panic.
My ...
07/19/2013
- 10:44 AM MitySOM-335x (ARM Cortex-A8 Based Products) PCB Development: RE: EMC Emissions from MityArm 335X MOdule
- Hi Mike,
I am good for now. Thanks for the information.
Regards,
Mike
07/18/2013
- 06:50 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: RS-485 problems
- Solved the problem myself - it turns out that either SER_RS485_RTS_ON_SEND or SER_RS485_RTS_AFTER_SEND must be define...
- 05:54 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: RS-485 problems
- OK, then it all makes sense. In spite of the way the connector is shown in the documentation I was assuming (never a...
- 05:20 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: RS-485 problems
- Actually, I take that back. The pin out is illustrated in Figure 2 of the specification....
-Mike
- 05:13 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: RS-485 problems
- Ah,
I think I may see the problem. Those connectors are pinned (on our PCB) for use with a ribbon cable and a DB-... - 05:08 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: RS-485 problems
- My board is 80-000268RI-2B, S/N 132541. I looked at the appropriate document on the page you referenced, and while i...
- 04:59 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: RS-485 problems
- Hi Steven,
Let's make sure you are referencing the correct revision information for the board (it has been updated... - 04:07 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: RS-485 problems
I am looking at pins on J504, based on the Industrial IO Board rev C documentation
Curiously, only pins 1,2,3,4,...- 03:27 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: RS-485 problems
- OK, here is what I see:
mitydsp@mitydsp-VirtualBox:~/linux-davinci$ git branch
master
* mitydsp-linux-v3.2
mi... - 03:24 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: RS-485 problems
- I am assuming it compiled OK.
Are you sure that the write() call is returning successfully? Can you send the full... - 03:22 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: RS-485 problems
- Btw press q to escape @git log@.
- 03:21 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: RS-485 problems
- Steven,
Run the command @git branch@ to see which branch is selected. It should say mitydsp-linux-v3.2. When you... - 03:18 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: RS-485 problems
- OK, I built the new kernel and flashed it to the MityDSP - now uname gives:
Linux mityomapl138 3.2.0+ #1 PREEMPT T... - 02:43 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: RS-485 problems
- Sorry - my mistake. I re-installed the toolchain and then realized that I had typed "CROSS-COMPILE" instead of "CROS...
- 02:06 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: RS-485 problems
- I seem to have the same problems - here is the output from a new shell:...
- 01:52 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: RS-485 problems
- You only use the HOST native CC, not the cross tools, to build the config file. It seems like you have a CC environm...
- 01:41 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: RS-485 problems
- I'm getting errors when I try to build the kernel:
mitydsp@mitydsp-VirtualBox:~/linux-davinci$ make ARCH=arm CROSS... - 11:26 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: RS-485 problems
- If you have our repository cloned already.......
- 11:14 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: RS-485 problems
- A newbie question - How do I build this particular branch of the kernel?
- 10:34 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: RS-485 problems
- Thanks for your response. Here is what I get from uname:
Linux mityomapl138 3.2.0 #1 PREEMPT Wed May 15 09:16:03 ED... - 03:48 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: NFS configuration
- Great news Leonid! Thanks for the detailed error messages.
-Bob
- 01:32 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: NFS configuration
- Bob,
That was the problem. It's booting now.
Thanks everybody,
Leonid - 12:09 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: NFS configuration
- Leonid,
One more suggestion: did you untar the sample filesystem as root? Or did you untar it as a normal user?
... - 01:14 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: 3352 Module can't boot. Unknown memory type.
- Tim,
It does boot with a MLO and uboot built from the repository. Just need to put our
SPI changes back in.
T... - 11:37 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: 3352 Module can't boot. Unknown memory type.
- Ok Tim,
I'll pull that in and give it a try.
Thanks,
John C. - 11:35 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: 3352 Module can't boot. Unknown memory type.
- John
The error message you see about "Error - Factory Configuration Invalid" is because the u-boot you downloaded is... - 11:21 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: 3352 Module can't boot. Unknown memory type.
- Tim,
The error is using the latest mlo and uboot from the Critical Link website.
John C. - 11:15 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: 3352 Module can't boot. Unknown memory type.
- John
All the 3352 based modules use DDR3, so will all require the new u-boot.
cheers
/Tim - 11:05 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: 3352 Module can't boot. Unknown memory type.
- Tim,
Just to add some more info. We tried booting from three different 3352 modules and
they all have the same ... - 10:25 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: 3352 Module can't boot. Unknown memory type.
- Tim,
As a test I downloaded the MLO and uboot from your web site and got the following when trying to boot the 3... - 10:14 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: 3352 Module can't boot. Unknown memory type.
- Thanks Tim,
I'll give it a try.
John C. - 10:12 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: 3352 Module can't boot. Unknown memory type.
- John
You should pull the latest from the AM335XPSP_04.06.00.08 branch on our git repo.
Support for the DDR3 memory ... - Hi,
We've been running the 3359 modules for some time and have shifted to the 3352. The error
message is:
---... - 12:30 PM MityDSP-L138 (ARM9 Based Platforms) FPGA Development: RE: EMA_WAIT and bus contention on L138F
- One thought:
Is it possible the tri-state drive logic for the data lines off the FPGA is creating bus contention? ... - 12:24 PM MityDSP-L138 (ARM9 Based Platforms) FPGA Development: RE: EMA_WAIT and bus contention on L138F
- Hi Mike,
Thanks for the suggestions.
Not sure I understand what you mean by FPGA access bandwidth. It is being ... - 07:32 AM MitySOM-335x (ARM Cortex-A8 Based Products) PCB Development: RE: EMC Emissions from MityArm 335X MOdule
- Hi Mike,
OK, those numbers were for the CPU running at 500 MHz. The speed of the CPU may change based on what pow...
07/17/2013
- 09:17 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: RS-485 problems
- OK. I have added the patch to the mitydsp-linux-v3.2 branch. You should be able to at least see the Tx line toggle ...
- 08:55 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: RS-485 problems
- Hi Steven,
Sorry for the confusion. It's not a menuconfig item. There is a patch needed to enable the UART2 pin... - 08:32 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: RS-485 problems
- How would anyone know this? I have looked at the config of the kernel I am using and you are correct, these pins are...
- 07:05 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: RS-485 problems
- Hello,
Is is possible your kernel may not be setting up the ARM pin multiplexing for UART2? In your baseboard file... - 06:48 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: RS-485 problems
- I have attached the files defining the class and showing how I open the serial port. Then I just use standard write c...
- I am trying to get the RS-485 running on my Industrial I/O board with the L-138F. I'm using the example code in "sen...
- 10:47 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: NFS configuration
- Lenoid,
It might be helpful to put the filesystem on an SD card and make sure it boots from there.
-Jonathan - 10:42 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: NFS configuration
- Hi All,
I agree, it looks like the original issue is fixed and now problem is happenning after mounting nfs. Proba... - 09:26 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: NFS configuration
- On your host, can you type "sudo exportfs" and list the results?
-Mike
- 08:41 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: NFS configuration
- Leonid,
It looks like nfs may be mounting. I'd expect an error similar to below if it didn't. Is the filesystem o... - 07:53 AM MitySOM-335x (ARM Cortex-A8 Based Products) PCB Development: RE: EMC Emissions from MityArm 335X MOdule
- Hi Mike,
Hold on on that last post. We were looking at the numbers and something does not look correct (there sho... - 07:46 AM MitySOM-335x (ARM Cortex-A8 Based Products) PCB Development: RE: EMC Emissions from MityArm 335X MOdule
- Hi Mike,
We needed to enable a kernel flag here. Here is a dump of the PLL derived clock tree from our dev kit. ... - 07:38 AM MityDSP-L138 (ARM9 Based Platforms) FPGA Development: RE: EMA_WAIT and bus contention on L138F
- Hello,
How much bandwidth are you using for the FPGA accesses? Have you looked with any sort of bus analyzer (per...
07/16/2013
- 06:01 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: NFS configuration
- Hi Bob,
The current status is
1. After installing nfs-utils-client I can mount NFS directory when I boot from SD... - 05:37 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: NFS configuration
- Hello Leonid,
In a previous post you had an error running this command:
... - We have a project which uses CS4 and CS5 to write and read data from a pair of FPGA FIFOs respectively. CS4 is used e...
07/15/2013
- 05:23 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Simple example needed
- Thanks for the help. I decided to take a very simple approach and use mmap to access the FPGA, based on the mmap exa...
- 08:58 AM MitySOM-335x (ARM Cortex-A8 Based Products) PCB Development: RE: EMC Emissions from MityArm 335X MOdule
- Hi Mike,
I had our lead software engineer try to dump the clock tree per the information you provided but he could...
07/14/2013
- 08:22 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Simple example needed
- Answers to questions:
1. The reserved FPGA id's are in the file: $MDK/sw/common/fpga/core_ids.h. I would use core...
07/12/2013
- 05:14 PM MitySOM-335x (ARM Cortex-A8 Based Products) PCB Development: RE: EMC Emissions from MityArm 335X MOdule
- Hi Mike,
The module has 2 crystals on it, a 24 MHz (connected to ARM) and a 32 KHz (connected to PMIC).
I don't... - Hi,
We have done a number of EMC frequency scans on our product using the MityArm 3352-GX-X27-RC module. There are... - 04:57 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: NFS configuration
- Hi Mike,
I was able to mount NFS from the card after installing nfs-utils-client using opkg
Not sure what the nex... - 01:37 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: NFS configuration
- Mounting with *-t nfs* option produces the same error message.
Re-saved file in txt format
Leonid. - 01:18 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: NFS configuration
- I can't open your word file. (Word says it is corrupt). Can you upload just a plain text file?
I think you need ... - 12:37 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: NFS configuration
- Hello, Mike
Our basic configuration is an isolated network with 5-6 devices connected via Gigabit Network Switch (... - 08:18 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: NFS configuration
- Hello,
I am a little confused. In your posts, you show initial success using 192.168.0.144 as your server. But t... - 03:28 PM MitySOM-335x (ARM Cortex-A8 Based Products) PCB Development: RE: MityArm 335x Minimum Voltage Operation
- Mike,
I have made some changes to my design to try to limit the low end of the operating voltage to 3.2VDC but I d... - 02:02 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: flash and boot utils
- Hi Mike,
I finally took the newest flash loader sources from TI (v2.40) and followed the wiki instructions (http:/... - 01:58 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: shared memory in the DSP Helloworld example
- Thanks mike. That cleared my doubts.
07/11/2013
- 04:44 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: NFS configuration
- Mike,
Adding 'eth0' as a device in ip=... does stop system from searching for DHCP.
But instead it gives a Kerne... - 04:06 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: NFS configuration
- Hmmm....
Can you try specifying "eth0"? It looks like you have a USB network gadget compiled in (or our default ... - 03:43 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: NFS configuration
- My first post contains command line and fragment of boot sequence. It does match what I expected.
The full boot se... - 03:17 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: NFS configuration
- When the unit boots, it prints out the command line it thinks it receives early in the boot sequence. Can you verify...
- 03:08 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: NFS configuration
- This is the full list of my u-boot environment variables:
_U-Boot# print__autoload=no
baudrate=115200
bootargs=r... - 09:50 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Simple example needed
- I just thought of another question. Not being familiar with linux, I am wondering what abstraction I might be able t...
- 09:33 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Simple example needed
- OK, I am probably going to have a lot of questions. To start with:
1. What IDs are available to use for my core?
2.... - 07:44 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: Simple example needed
- Hi Steven,
My understanding is that you have your own FPGA IP and want to control it (including catching an interr... - 07:12 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: shared memory in the DSP Helloworld example
- Hello Vinod,
The memory allocated is in the OMAP external DDR2 memory, and is actually in the DSPLINK POOL segment... - hi,
Where does the memory allocated by GetBuffer() reside? Is it in the external RAM or OMAP's internal memory? Fo...
07/10/2013
- 07:16 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: flash and boot utils
- Hi Mike,
We are using the serial flash tool to replace the preprogrammed U-Boot with an own SysBios based loader app... - 07:01 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: flash and boot utils
- Hello,
Are you using the serial flash tool instead of u-Boot to program application images?
Are you rebuilding ... - Hello,
I rebuilt the SPI serial flash tool (sfh_OMAP-L138.exe) from the MDK_2013_05_15 sources. Therefor I changed...
07/09/2013
- 10:46 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: MItyDSP L138-FI-236-RL Industrial IO Board 80-000268RI-2 rev. B, wont reset and no output on serial port.
- Hi,
I am using a nondescript USB to RS232 cable, dmesg tells me its a FTDI USB-RS232 cable, with a FT232RL onboard... - 09:55 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: MItyDSP L138-FI-236-RL Industrial IO Board 80-000268RI-2 rev. B, wont reset and no output on serial port.
- Chris,
Glad to hear of your success... if you don't mind, can you detail your setup a bit. Are you using a USB seria... - 09:50 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: MItyDSP L138-FI-236-RL Industrial IO Board 80-000268RI-2 rev. B, wont reset and no output on serial port.
- Hi,
I finally got it working by directly connecting the serial port to the board.
Thanks for the help,
Chris. - 09:15 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: MItyDSP L138-FI-236-RL Industrial IO Board 80-000268RI-2 rev. B, wont reset and no output on serial port.
- Hi,
Swapping up the cables sees to make no difference, and if I plug in my work PC into the supplied cross over ca...
07/08/2013
- 09:09 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: MItyDSP L138-FI-236-RL Industrial IO Board 80-000268RI-2 rev. B, wont reset and no output on serial port.
- Chris,
Have you tried to add another null modem adapter into the mix or a straight-thru cable just as a sanity che... - 06:54 AM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: MItyDSP L138-FI-236-RL Industrial IO Board 80-000268RI-2 rev. B, wont reset and no output on serial port.
- Hi Bob,
I have been trying with both screen and putty.
Both seem to work fine when I loopback the tx and rx lin...
07/07/2013
- 09:47 PM MityDSP-L138 (ARM9 Based Platforms) Software Development: RE: MItyDSP L138-FI-236-RL Industrial IO Board 80-000268RI-2 rev. B, wont reset and no output on serial port.
- Hello Christopher,
What terminal program are you using to connect to the serial port on your PC?
-Bob
07/05/2013
- 01:10 PM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: bad timing of RS485 TXE when using omap-serial driver
- Yes, you were right regarding the falling of RS485-TXE line after data ends: in the version 3.2 we have the RS485-TXE...
- I am trying to load the hello world program.
So I set up the serial port on my pc with the following settings:
...
07/04/2013
- 07:58 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: bad timing of RS485 TXE when using omap-serial driver
- I think you are missing part of the patch, which was original written against 3.1 of the kernel.
Take a look at t... - 07:44 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: bad timing of RS485 TXE when using omap-serial driver
- Do you see this problem on all the UARTS? Or just UART4?
-Mike
- 02:15 AM MitySOM-335x (ARM Cortex-A8 Based Products) Software Development: RE: bad timing of RS485 TXE when using omap-serial driver
- sure, here it is.
I also put the patched omap-serial.c to check that your patch has been properly applied and the po...
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